today.diff

diff --git a/tmux.conf b/tmux.conf
index 03f3398..3b79903 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -120,6 +120,9 @@ bind-key -t vi-copy 'C-j' bottom-line
 bind-key -t vi-copy 'C-k' top-line
 bind-key -t vi-copy 'C-h' back-to-indentation
 bind-key -t vi-copy 'C-l' end-of-line
+
+# capture the buffer
+bind-key    C     command-prompt -p 'save history to filename:' -I '~/tmux.history' 'capture-pane -S -32768 ; save-buffer %1 ; delete-buffer'
 # }}}